Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Figure 7
Figure 8
Figure 9
Fig. 10
Fig. 11
Fig. 12
RGB values measured for the outline of the open star pattern
| Measurement No. | Irradiated sample | Non-irradiated sample | ||||
|---|---|---|---|---|---|---|
| R | G | B | R | G | B | |
| 1 | 49 | 82 | 51 | 48 | 39 | 26 |
| 2 | 51 | 86 | 54 | 49 | 45 | 34 |
| 3 | 53 | 73 | 48 | 55 | 49 | 37 |
| 4 | 53 | 77 | 53 | 45 | 39 | 27 |
| 5 | 50 | 76 | 47 | 44 | 40 | 29 |
| 6 | 58 | 78 | 51 | 49 | 41 | 30 |
| 7 | 50 | 91 | 50 | 49 | 41 | 29 |
| 8 | 50 | 76 | 47 | 52 | 43 | 34 |
| 9 | 48 | 74 | 47 | 47 | 41 | 29 |
| 10 | 48 | 74 | 45 | 53 | 41 | 27 |
| Mean | 51 | 78.7 | 49.3 | 49.1 | 41.9 | 30.2 |
| Standard deviation | 3.0 | 5.9 | 2.9 | 3.4 | 3.1 | 3.6 |
Luminance coefficient β and chromaticity coordinates for sample 1 on a black reference plate
| Measurement No. | Y | x | y | β |
|---|---|---|---|---|
| 1 | 23.460 | 0.279 | 0.305 | 0.235 |
| 2 | 22.600 | 0.277 | 0.301 | 0.226 |
| 3 | 22.180 | 0.279 | 0.304 | 0.222 |
| 4 | 22.810 | 0.278 | 0.303 | 0.228 |
| 5 | 22.330 | 0.278 | 0.303 | 0.223 |
| 6 | 22.950 | 0.278 | 0.304 | 0.230 |
| 7 | 22.400 | 0.279 | 0.304 | 0.224 |
| 8 | 23.320 | 0.280 | 0.306 | 0.233 |
| 9 | 22.430 | 0.279 | 0.304 | 0.224 |
| 10 | 22.520 | 0.277 | 0.302 | 0.225 |
| Mean | 22.700 | 0.278 | 0.303 | 0.227 |
| Standard deviation | 0.428 | 0.001 | 0.001 | 0.004 |
Luminance coefficient β and chromaticity coordinates for sample 2 on a black reference plate
| Measurement No. | Y | x | y | ß |
|---|---|---|---|---|
| 1 | 39.280 | 0.313 | 0.330 | 0.393 |
| 2 | 37.500 | 0.312 | 0.328 | 0.375 |
| 3 | 37.790 | 0.313 | 0.330 | 0.378 |
| 4 | 37.530 | 0.312 | 0.328 | 0.375 |
| 5 | 40.180 | 0.313 | 0.330 | 0.402 |
| 6 | 39.170 | 0.313 | 0.330 | 0.392 |
| 7 | 40.040 | 0.313 | 0.330 | 0.400 |
| 8 | 39.080 | 0.312 | 0.329 | 0.391 |
| 9 | 40.960 | 0.313 | 0.330 | 0.410 |
| 10 | 40.820 | 0.313 | 0.330 | 0.408 |
| Mean | 39.235 | 0.313 | 0.329 | 0.392 |
| Standard deviation | 1.294 | 0.000 | 0.001 | 0.013 |
Luminance coefficient β and chromaticity coordinates for sample 1 on a white reference plate
| Measurement No. | Y | x | y | β |
|---|---|---|---|---|
| 1 | 41.900 | 0.270 | 0.299 | 0.419 |
| 2 | 39.480 | 0.264 | 0.293 | 0.395 |
| 3 | 41.410 | 0.270 | 0.298 | 0.414 |
| 4 | 42.510 | 0.272 | 0.301 | 0.425 |
| 5 | 38.220 | 0.267 | 0.298 | 0.382 |
| 6 | 40.630 | 0.267 | 0.295 | 0.406 |
| 7 | 39.730 | 0.267 | 0.295 | 0.397 |
| 8 | 39.810 | 0.272 | 0.298 | 0.398 |
| 9 | 39.430 | 0.268 | 0.297 | 0.394 |
| 10 | 38.880 | 0.267 | 0.295 | 0.389 |
| Mean | 40.200 | 0.268 | 0.297 | 0.402 |
| Standard deviation | 1.375 | 0.003 | 0.002 | 0.014 |
Air flow resistance comparison for printed and non-printed material
| No. | Type of nonwoven fabric | Air flow resistance, Pa |
|---|---|---|
| 1 | Nonwoven fabric printed with an open star pattern | 23,5 |
| 2 | Nonwoven fabric printed with a solid star pattern | 28,7 |
| 3 | Nonwoven fabric without printing | 21,6 |
Luminance coefficient β and chromaticity coordinates for sample 1 on a grey nonwoven
| Measurement No. | Y | x | y | β |
|---|---|---|---|---|
| 1 | 22.870 | 0.278 | 0.303 | 0.229 |
| 2 | 24.230 | 0.280 | 0.306 | 0.242 |
| 3 | 24.350 | 0.279 | 0.304 | 0.244 |
| 4 | 23.080 | 0.278 | 0.303 | 0.231 |
| 5 | 23.340 | 0.280 | 0.305 | 0.233 |
| 6 | 23.780 | 0.279 | 0.304 | 0.238 |
| 7 | 23.120 | 0.279 | 0.303 | 0.231 |
| 8 | 23.750 | 0.279 | 0.304 | 0.238 |
| 9 | 23.920 | 0.278 | 0.303 | 0.239 |
| 10 | 23.190 | 0.277 | 0.302 | 0.232 |
| Mean | 23.563 | 0.279 | 0.304 | 0.236 |
| Standard deviation | 0.513 | 0.001 | 0.001 | 0.005 |
Luminance coefficient β and chromaticity coordinates for sample 2 on a white nonwoven
| Measurement No. | Y | x | y | ß |
|---|---|---|---|---|
| 1 | 85.060 | 0.314 | 0.333 | 0.851 |
| 2 | 85.060 | 0.315 | 0.335 | 0.851 |
| 3 | 84.490 | 0.314 | 0.332 | 0.845 |
| 4 | 84.300 | 0.314 | 0.333 | 0.843 |
| 5 | 85.960 | 0.314 | 0.333 | 0.860 |
| 6 | 85.830 | 0.314 | 0.332 | 0.858 |
| 7 | 85.580 | 0.314 | 0.332 | 0.856 |
| 8 | 83.750 | 0.315 | 0.334 | 0.838 |
| 9 | 84.760 | 0.315 | 0.333 | 0.848 |
| 10 | 84.030 | 0.314 | 0.332 | 0.840 |
| Mean | 84.882 | 0.314 | 0.333 | 0.849 |
| Standard deviation | 0.755 | 0.001 | 0.001 | 0.008 |
Luminance coefficient β and chromaticity coordinates for sample 2 on a white reference plate
| Measurement No. | Y | x | y | ß |
|---|---|---|---|---|
| 1 | 84.250 | 0.314 | 0.333 | 0.843 |
| 2 | 84.510 | 0.315 | 0.335 | 0.845 |
| 3 | 84.060 | 0.313 | 0.332 | 0.841 |
| 4 | 84.470 | 0.315 | 0.335 | 0.845 |
| 5 | 83.270 | 0.314 | 0.332 | 0.833 |
| 6 | 83.510 | 0.313 | 0.331 | 0.835 |
| 7 | 83.960 | 0.314 | 0.333 | 0.840 |
| 8 | 82.490 | 0.314 | 0.33`9 | 0.825 |
| 9 | 83.970 | 0.313 | 0.331 | 0.840 |
| 10 | 83.890 | 0.314 | 0.332 | 0.839 |
| Mean | 83.838 | 0.314 | 0.333 | 0.838 |
| Standard deviation | 0.610 | 0.001 | 0.001 | 0.006 |
RGB values measured for the solid star pattern
| Measurement No. | Irradiated sample | Non-irradiated sample | ||||
|---|---|---|---|---|---|---|
| R | G | B | R | G | B | |
| 1 | 56 | 135 | 78 | 56 | 71 | 49 |
| 2 | 45 | 131 | 79 | 58 | 73 | 44 |
| 3 | 62 | 126 | 71 | 58 | 71 | 43 |
| 4 | 44 | 122 | 70 | 52 | 64 | 40 |
| 5 | 55 | 128 | 73 | 55 | 69 | 43 |
| 6 | 51 | 120 | 66 | 57 | 70 | 42 |
| 7 | 44 | 121 | 70 | 50 | 62 | 38 |
| 8 | 60 | 118 | 68 | 54 | 64 | 49 |
| 9 | 60 | 134 | 81 | 56 | 71 | 42 |
| 10 | 53 | 136 | 80 | 58 | 41 | 45 |
| Mean | 53 | 127.1 | 73.6 | 55.4 | 64.6 | 43.5 |
| Standard deviation | 6.8 | 6.7 | 5.4 | 2.7 | 9.4 | 3.5 |
Luminance coefficient β and chromaticity coordinates for sample 1 on a white nonwoven
| Measurement No. | Y | x | y | β |
|---|---|---|---|---|
| 1 | 40.520 | 0.266 | 0.294 | 0.405 |
| 2 | 42.080 | 0.267 | 0.294 | 0.421 |
| 3 | 41.390 | 0.265 | 0.293 | 0.414 |
| 4 | 41.750 | 0.266 | 0.294 | 0.418 |
| 5 | 43.330 | 0.268 | 0.296 | 0.433 |
| 6 | 41.900 | 0.267 | 0.294 | 0.419 |
| 7 | 42.840 | 0.272 | 0.294 | 0.428 |
| 8 | 41.600 | 0.267 | 0.296 | 0.416 |
| 9 | 42.430 | 0.268 | 0.295 | 0.424 |
| 10 | 42.490 | 0.270 | 0.298 | 0.425 |
| Mean | 42.033 | 0.268 | 0.295 | 0.420 |
| Standard deviation | 0.795 | 0.002 | 0.001 | 0.008 |